(a) The General Counsel may impose conditions or restrictions on the testimony of OSC employees including, for example:

(1) Limiting the areas of testimony;

(2) Requiring the requester and other parties to the legal proceeding to agree that the transcript of the testimony will be kept under seal;

(3) Requiring that the transcript will be used or made available only in the particular legal proceeding for which testimony was requested. The General Counsel may also require a copy of the transcript of testimony at the requester's expense.

(b) The OSC may offer the employee's written declaration in lieu of testimony.

(c) If authorized to testify pursuant to this part, an employee may testify as to facts within his or her personal knowledge, but, unless specifically authorized to do so by the General Counsel, the employee shall not;

(1) Disclose confidential or privileged information; or

(2) For a current OSC employee, testify as an expert or opinion witness with regard to any matter arising out of the employee's official duties or the functions of the OSC unless testimony is being given on behalf of the United States (see also 5 CFR 2635.805).

(d) The scheduling of an employee's testimony, including the amount of time that the employee will be made available for testimony, will be subject to the OSC's approval.